| 简介 |
The present invention relates to a method in the field of shellfish breeding techniques, for breeding a scallop population that have improved carotenoid content in the orange-red adductor muscles or other muscle tissues. This method includes the steps of selecting the rare individuals that have orange-red adductor muscles from natural scallop populations, growing the selected scallops, inducing the reproduction, artificially fertilization, and finally breeding a scallop population with orange-red adductor muscles which can be expanded for the cultivation on a large scale. Comparing to other known breeding methods, the present method does not use transgenic technologies to include introduce any exogenous genes, thus does not have any bio-safety and ethics issues. All the mutant scallops with orange-red adductor muscles are selected from natural or cultivated populations. After breeding for four generations, the obtained scallops have abundant carotenoid ingredients in their orange-red adductor muscles. The obtained scallop population is genetically stable and has high survival rate, and it thus can be used for cultivation on a large scale. In summary, this breeding method is simple, low cost and the breeding scallop population has high economic and nutritious values. |
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